import * as React from 'react';
import { Slot } from '@radix-ui/react-slot';
import { cva, type VariantProps } from 'class-variance-authority';

import { cn } from '../../lib/utils';

const buttonVariants = cva(
  'inline-flex items-center justify-center rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 disabled:cursor-not-allowed',
  {
    variants: {
      variant: {
        default: 'bg-primary text-primary-foreground shadow hover:bg-primary/90',
        destructive: 'bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive',
        outline:
          'border border-input bg-transparent shadow-sm hover:bg-accent hover:text-accent-foreground',
        secondary: 'bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary',
        ghost: 'hover:bg-accent hover:text-accent-foreground',
        hover: 'text-muted-foreground hover:text-accent-foreground',
        link: 'text-primary underline-offset-4 hover:underline',
      },
      size: {
        default: 'h-9 px-4 py-2',
        xs: 'h-6 rounded-sm px-2 text-xxs',
        sm: 'h-8 rounded-md px-3 text-xs',
        lg: 'h-10 rounded-md px-8',
        icon: 'h-9 w-9',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
);

export interface ButtonProps
  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
    VariantProps<typeof buttonVariants> {
  asChild?: boolean;
}

const Button = ({
  className,
  variant,
  size,
  asChild = false,
  ref,
  ...props
}: ButtonProps & {
  ref?: React.Ref<HTMLButtonElement>;
}) => {
  const Comp = asChild ? Slot : 'button';
  return (
    <Comp className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />
  );
};
Button.displayName = 'Button';

export { Button, buttonVariants };
